The Block, cataloged under National Stock Number 1045-01-331-4851, is classified within Federal Supply Class 1045 (Launchers, Torpedo and Depth Charge) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1045-01-331-4851 |
| Primary Part Number | 1621273 |
| Item Name | Block |
| FSC / FSG | 1045 / 10 — Launchers, Torpedo and Depth Charge |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | 1.625 IN. L;0.875 IN. W;0.1959-0.2067 DIA,0.625 IN. DEEP HOLE,1/4-20 UNC-2B;TWO 0.1449-0.1555 DIA,0.625 IN. DEEP HOLES,10(0.190)-24 NC-2B;CRES ASTM A582,TYPE 303;FINISH 125 SURFACE;PASSIVATE QQ-P-35,TYPE IV IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1621273 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1045-01-331-4851 is a Block, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1045, Launchers, Torpedo and Depth Charge. Status: active.
NSN 1045-01-331-4851 has 1 manufacturer part number on file: 1621273 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1621273: General Characteristics Item Description: 1.625 IN. L;0.875 IN. W;0.1959-0.2067 DIA,0.625 IN. DEEP HOLE,1/4-20 UNC-2B;TWO 0.1449-0.1555 DIA,0.625 IN. DEEP HOLES,10(0.190)-24 NC-2B;CRES ASTM A582,TYPE 303;FINISH 125 SURFACE;PASSIVATE QQ-P-35,TYPE IV IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1045-01-331-4851 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.